Everyone knows Goethe - the great poet, playwright and writer. But this book opens it for the reader from a completely unexpected side - as an original scientist who entered into a scientific controversy with Sir Isaac Newton himself!What is a color? Newton studied it from the point of view of its physical nature. Goethe, on the other hand, is not interested in the physical, but rather in the physiological side: how does a person perceive various colors and what influences this perception? His observations and conclusions, precise and witty, are of great interest even today.The publisher's layout has been preserved in PDF A4 format.